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2550305040 = 243510626271
BaseRepresentation
bin1001100000000010…
…1001000100010000
320120201211220211020
42120000221010100
520210334230130
61101021515440
7120125143443
oct23000510420
96521756736
102550305040
111099642a18
125b2112b80
1331849364a
141a29c765a
15edd65e10
hex98029110

2550305040 has 40 divisors (see below), whose sum is σ = 7905946368. Its totient is φ = 680081280.

The previous prime is 2550305033. The next prime is 2550305041. The reversal of 2550305040 is 405030552.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 2550305040.

It is not an unprimeable number, because it can be changed into a prime (2550305041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5312896 + ... + 5313375.

Almost surely, 22550305040 is an apocalyptic number.

2550305040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2550305040 is an abundant number, since it is smaller than the sum of its proper divisors (5355641328).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2550305040 is a wasteful number, since it uses less digits than its factorization.

2550305040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10626287 (or 10626281 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 24.

The square root of 2550305040 is about 50500.5449475548. The cubic root of 2550305040 is about 1366.2516823191.

Adding to 2550305040 its reverse (405030552), we get a palindrome (2955335592).

The spelling of 2550305040 in words is "two billion, five hundred fifty million, three hundred five thousand, forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 10626271 21252542 31878813 42505084 53131355 63757626 85010168 106262710 127515252 159394065 170020336 212525420 255030504 318788130 425050840 510061008 637576260 850101680 1275152520 2550305040